CVE-2022-49773 drm/amd/display: Fix optc2_configure warning on dcn314

What is CVE-2022-49773?

CVE-2022-49773 is a medium-severity vulnerability in Linux kernel, published on 1 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix optc2_configure warning on dcn314

[Why] dcn314 uses optc2_configure_crc() that wraps optc1_configure_crc() + set additional registers not applicable to dcn314. It's not critical but when used leads to warning like: WARNING: drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c Call Trace: <TASK> generic_reg_set_ex+0x6d/0xe0 [amdgpu] optc2_configure_crc+0x60/0x80 [amdgpu] dc_stream_configure_crc+0x129/0x150 [amdgpu] amdgpu_dm_crtc_configure_crc_source+0x5d/0xe0 [amdgpu]

[How] Use optc1_configure_crc() directly

Which versions are affected by CVE-2022-49773?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49773?

Apply the vendor's patch.

Is CVE-2022-49773 being exploited?

There is no known exploitation of CVE-2022-49773 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-49773, GHSA-8mgc-hp6q-8pj5, ROOT-OS-UBUNTU-2204-CVE-2022-49773, UBUNTU-CVE-2022-49773.